The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A141252 Decimal expansion of number c satisfying c*log(c)=1/2+c. 1

%I

%S 3,1,8,0,9,6,6,0,8,6,6,3,8,9,4,3,2,1,0,6,8,3,5,8,6,4,0,3,5,4,7,5,7,5,

%T 0,0,5,1,6,0,8,7,8,7,4,9,3,9,6,5,7,5,4,3,2,0,5,3,9,6,4,8,2,6,9,7,0,2,

%U 5,4,7,1,0,0,1,2,2,5,9,1,9,4,0,2,8,3,6,6,6,3,4,8,8,1,2,5,3,1,5

%N Decimal expansion of number c satisfying c*log(c)=1/2+c.

%D Michel Goemans and Jon Kleinberg, An improved approximation ratio for the minimum latency problem, Proc. 7th ACM-SIAM Symposium on Discrete Algorithms, 1996, pp. 152-158.

%F Equals exp(LambertW(1/(2e))+1).

%e 3.1809660866389432106835864035475750051608787493965754320539648...

%t RealDigits[ Exp[1 + ProductLog[1/(2*E)]], 10, 99] // First (* _Jean-François Alcover_, Feb 19 2013 *)

%Y Cf. A141251.

%K nonn,cons

%O 1,1

%A _David Applegate_ and _N. J. A. Sloane_, Sep 04 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 15 08:14 EDT 2021. Contains 345048 sequences. (Running on oeis4.)